Theorem mircgrextend 26170

Description: Link congruence over a pair of mirror points. cf tgcgrextend 25973. (Contributed by Thierry Arnoux, 4-Oct-2020.)

Hypotheses

Ref	Expression
mirval.p	⊢ 𝑃 = (Base‘𝐺)
mirval.d	⊢ − = (dist‘𝐺)
mirval.i	⊢ 𝐼 = (Itv‘𝐺)
mirval.l	⊢ 𝐿 = (LineG‘𝐺)
mirval.s	⊢ 𝑆 = (pInvG‘𝐺)
mirval.g	⊢ (𝜑 → 𝐺 ∈ TarskiG)
mirtrcgr.e	⊢ ∼ = (cgrG‘𝐺)
mirtrcgr.m	⊢ 𝑀 = (𝑆‘𝐵)
mirtrcgr.n	⊢ 𝑁 = (𝑆‘𝑌)
mirtrcgr.a	⊢ (𝜑 → 𝐴 ∈ 𝑃)
mirtrcgr.b	⊢ (𝜑 → 𝐵 ∈ 𝑃)
mirtrcgr.x	⊢ (𝜑 → 𝑋 ∈ 𝑃)
mirtrcgr.y	⊢ (𝜑 → 𝑌 ∈ 𝑃)
mircgrextend.1	⊢ (𝜑 → (𝐴 − 𝐵) = (𝑋 − 𝑌))

Assertion

Ref	Expression
mircgrextend	⊢ (𝜑 → (𝐴 − (𝑀‘𝐴)) = (𝑋 − (𝑁‘𝑋)))

Proof of Theorem mircgrextend

Step	Hyp	Ref	Expression
1		mirval.p	. 2 ⊢ 𝑃 = (Base‘𝐺)
2		mirval.d	. 2 ⊢ − = (dist‘𝐺)
3		mirval.i	. 2 ⊢ 𝐼 = (Itv‘𝐺)
4		mirval.g	. 2 ⊢ (𝜑 → 𝐺 ∈ TarskiG)
5		mirtrcgr.a	. 2 ⊢ (𝜑 → 𝐴 ∈ 𝑃)
6		mirtrcgr.b	. 2 ⊢ (𝜑 → 𝐵 ∈ 𝑃)
7		mirval.l	. . 3 ⊢ 𝐿 = (LineG‘𝐺)
8		mirval.s	. . 3 ⊢ 𝑆 = (pInvG‘𝐺)
9		mirtrcgr.m	. . 3 ⊢ 𝑀 = (𝑆‘𝐵)
10	1, 2, 3, 7, 8, 4, 6, 9, 5	mircl 26149	. 2 ⊢ (𝜑 → (𝑀‘𝐴) ∈ 𝑃)
11		mirtrcgr.x	. 2 ⊢ (𝜑 → 𝑋 ∈ 𝑃)
12		mirtrcgr.y	. 2 ⊢ (𝜑 → 𝑌 ∈ 𝑃)
13		mirtrcgr.n	. . 3 ⊢ 𝑁 = (𝑆‘𝑌)
14	1, 2, 3, 7, 8, 4, 12, 13, 11	mircl 26149	. 2 ⊢ (𝜑 → (𝑁‘𝑋) ∈ 𝑃)
15	1, 2, 3, 7, 8, 4, 6, 9, 5	mirbtwn 26146	. . 3 ⊢ (𝜑 → 𝐵 ∈ ((𝑀‘𝐴)𝐼𝐴))
16	1, 2, 3, 4, 10, 6, 5, 15	tgbtwncom 25976	. 2 ⊢ (𝜑 → 𝐵 ∈ (𝐴𝐼(𝑀‘𝐴)))
17	1, 2, 3, 7, 8, 4, 12, 13, 11	mirbtwn 26146	. . 3 ⊢ (𝜑 → 𝑌 ∈ ((𝑁‘𝑋)𝐼𝑋))
18	1, 2, 3, 4, 14, 12, 11, 17	tgbtwncom 25976	. 2 ⊢ (𝜑 → 𝑌 ∈ (𝑋𝐼(𝑁‘𝑋)))
19		mircgrextend.1	. 2 ⊢ (𝜑 → (𝐴 − 𝐵) = (𝑋 − 𝑌))
20	1, 2, 3, 4, 5, 6, 11, 12, 19	tgcgrcomlr 25968	. . 3 ⊢ (𝜑 → (𝐵 − 𝐴) = (𝑌 − 𝑋))
21	1, 2, 3, 7, 8, 4, 6, 9, 5	mircgr 26145	. . 3 ⊢ (𝜑 → (𝐵 − (𝑀‘𝐴)) = (𝐵 − 𝐴))
22	1, 2, 3, 7, 8, 4, 12, 13, 11	mircgr 26145	. . 3 ⊢ (𝜑 → (𝑌 − (𝑁‘𝑋)) = (𝑌 − 𝑋))
23	20, 21, 22	3eqtr4d 2824	. 2 ⊢ (𝜑 → (𝐵 − (𝑀‘𝐴)) = (𝑌 − (𝑁‘𝑋)))
24	1, 2, 3, 4, 5, 6, 10, 11, 12, 14, 16, 18, 19, 23	tgcgrextend 25973	1 ⊢ (𝜑 → (𝐴 − (𝑀‘𝐴)) = (𝑋 − (𝑁‘𝑋)))

Syntax hints:   → wi 4   = wceq 1507   ∈ wcel 2050  ‘cfv 6188  (class class class)co 6976  Basecbs 16339  distcds 16430  TarskiGcstrkg 25918  Itvcitv 25924  LineGclng 25925  cgrGccgrg 25998  pInvGcmir 26140

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1758  ax-4 1772  ax-5 1869  ax-6 1928  ax-7 1965  ax-8 2052  ax-9 2059  ax-10 2079  ax-11 2093  ax-12 2106  ax-13 2301  ax-ext 2750  ax-rep 5049  ax-sep 5060  ax-nul 5067  ax-pr 5186

This theorem depends on definitions:  df-bi 199  df-an 388  df-or 834  df-3an 1070  df-tru 1510  df-ex 1743  df-nf 1747  df-sb 2016  df-mo 2547  df-eu 2584  df-clab 2759  df-cleq 2771  df-clel 2846  df-nfc 2918  df-ne 2968  df-ral 3093  df-rex 3094  df-reu 3095  df-rmo 3096  df-rab 3097  df-v 3417  df-sbc 3682  df-csb 3787  df-dif 3832  df-un 3834  df-in 3836  df-ss 3843  df-nul 4179  df-if 4351  df-pw 4424  df-sn 4442  df-pr 4444  df-op 4448  df-uni 4713  df-iun 4794  df-br 4930  df-opab 4992  df-mpt 5009  df-id 5312  df-xp 5413  df-rel 5414  df-cnv 5415  df-co 5416  df-dm 5417  df-rn 5418  df-res 5419  df-ima 5420  df-iota 6152  df-fun 6190  df-fn 6191  df-f 6192  df-f1 6193  df-fo 6194  df-f1o 6195  df-fv 6196  df-riota 6937  df-ov 6979  df-trkgc 25936  df-trkgb 25937  df-trkgcb 25938  df-trkg 25941  df-mir 26141

This theorem is referenced by:  mirtrcgr  26171